These forged, 3-7/8" big bore stroker pistons are compatible with stock or S&S Super Stock cylinder heads in Harley-Davidson Twin Cam 88/88B engines and are designed to be used in conjunction with S&S 4-1/2" stroke flywheels to increase displacement of stock 1999-'06 88" or 95" engines to 106". 3-7/8" bore.
This item fits the following applications: